package com.yc.psychologicalconsultant.dao;
import com.yc.psychologicalconsultant.vo.UserOnLine;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.yc.psychologicalconsultant.pojo.User;

public interface UserDAO extends BaseMapper<User> {
    // 通过用户名获得信息
    UserOnLine getOnlineUser(String username);
}
